ICD-10-CM Billable Code

O98.119

Syphilis complicating pregnancy, unspecified trimester

Clinical Classification Guidelines

Medical Intelligence & Overview

Syphilis is a sexually transmitted infection caused by the bacteria *Treponema pallidum*. When this infection occurs during pregnancy, it can pose serious health risks to both the mother and the developing baby. The ICD-10 code O98.119 specifically refers to cases where syphilis complicates pregnancy, without specifying the trimester. Managing this condition promptly and effectively is vital to prevent adverse outcomes such as congenital syphilis, miscarriage, or stillbirth. This article aims to provide a clear understanding of syphilis during pregnancy, including its causes, symptoms, diagnosis, and treatment options.

Causes & Symptoms

Clinical Causes: Transmission of *Treponema pallidum* bacteria through sexual contact with an infected person. Mother passing the infection to the fetus via the placenta during pregnancy. Presence of untreated or inadequately treated syphilis in the pregnant woman.

Key Symptoms: Rarely, symptoms may include a painless sore (chancre) at the site of infection. Skin rashes on the palms of the hands and soles of the feet. Lesions or sores in the genital area. - Flu-like symptoms such as fever, fatigue, sore throat, and swollen lymph nodes. Signs of congenital syphilis in the newborn, including rash, snuffles,, or liver enlargements. In many cases, especially during pregnancy, syphilis may be asymptomatic.

Diagnostic & Treatment

Diagnosis Path: Diagnosing syphilis during pregnancy involves blood tests such as the rapid plasma reagin (RPR) or Venereal Disease Research Laboratory (VDRL) test, along with specific treponemal tests like the fluorescent treponemal antibody absorption (FTA-ABS) test. Prenatal screening is recommended for all pregnant women to detect infections early. If suspicion arises, additional testing and examinations may be conducted to determine the stage and severity of the infection. Ultrasound scans could help assess fetal health if infection is confirmed.

Treatment Protocols: Syphilis during pregnancy is usually treated with antibiotics, most commonly penicillin. Treatment effectiveness depends on the stage of the infection and timing during pregnancy. Early intervention can greatly reduce the risk of transmission to the fetus and prevent complications. Follow-up blood tests are typically performed to monitor treatment response. In cases of penicillin allergy, alternative treatments may be considered under medical supervision. Close monitoring by healthcare providers during pregnancy is essential for ensuring both maternal and fetal health.

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Advice & FAQs

Billing Guidance

Is O98.119 a billable ICD-10 code?
Yes, O98.119 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report O98.119?
Clinical documentation must specify the nature of Syphilis complicating pregnancy, unspecified trimester and any associated comorbidities for accurate reporting.

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